<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj: {
					query: '',
					cid: '',
					pagenum: 1,
					pagesize: 10
				},
				//商品列表数据
				goodsList: [],
				total: 0,
				// 节流阀
				isLoading: false
			};
		},
		//options页面跳转时所携带的参数
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			// console.log(this.queryObj);
			this.getGoodsList()
		},
		methods: {
			async getGoodsList(cb) {
				this.isLoading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				this.isLoading = false
				//只要数据请求完毕就立即按需调用cb回调函数
				cb&&cb()
				// console.log( res);
				if (res.meta.status !== 200) {
					return uni.$showMsg()
				}
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:"/subpkg/goods_detail/goods_detail?goods_id="+goods.goods_id
				})
			}
		},
		
		onReachBottom() {
			if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total){
				return uni.$showMsg("数据加载完毕")
			}
			if (this.isLoading){
				return
			}
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPullDownRefresh() {
			this.queryObj.pagenum=1
			this.total=0
			this.isLoading=false
			this.goodsList=[]
			
			this.getGoodsList(()=>uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
